The epub version of The iPad Project Book, available from iBooks, is currently in the top 30:
You can also buy it for Kindle or the normal printed version; just look to the right.
Buy me a Coffee! If you find this post or this site interesting, and would like to see more, buy me a coffee. While I may actually buy coffee, I’ll probably buy books to review.
SetApp: A Suite of macOS Apps for a Single Price Affiliate link for a great collection of 200+ macOS apps for a single price—now with iOS apps too.